“水平定向钻”的概念、定义、翻译、参考文献-科学参考

单词	水平定向钻
释义	水平定向钻 Encyclopedia 工学掘进机械释 horizontal directional drilling水平定向钻将一个可调向操控的钻头连接在钻杆组的端部，用于地下水平定向钻孔的机具。是在不开挖地表面条件下，铺设多种地下公用设施（管道、电缆等）的施工设备，广泛用于供水、电力、电信、天然气、煤气和石油等管线铺设施工中。
随便看	square-law detection square-law detector square line picking square loss function squarely equivalent to zero square mapping square map subdivision square matrix square matrix of order n square mean value of electric quantities fluctuation square mean value of thermal electromotive force square mean velocity of Brownian particle square measure square mesh square mesh grid Square Mountain and Changyu Dongtian Scenic and Historic Area squareness squareness measurement square net square number square of a number square of opposition square of order n square of the distance square of the standard deviation

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。